220542080

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31327}}^1$

素因数の和:31357

約数の個数: 64

約数和(自身を含む): 575182080

約数和(自身を除く): 354640000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 31327, 62654, 125308, 156635, 250616, 313270, 344597, 501232, 626540, 689194, 1002464, 1253080, 1378388, 1722985, 2004928, 2506160, 2756776, 3445970, 4009856, 5012320, 5513552, 6891940, 10024640, 11027104, 13783880, 20049280, 22054208, 27567760, 44108416, 55135520, 110271040, 220542080]

約数ペア:

[(1, 220542080), (2, 110271040), (4, 55135520), (5, 44108416), (8, 27567760), (10, 22054208), (11, 20049280), (16, 13783880), (20, 11027104), (22, 10024640), (32, 6891940), (40, 5513552), (44, 5012320), (55, 4009856), (64, 3445970), (80, 2756776), (88, 2506160), (110, 2004928), (128, 1722985), (160, 1378388), (176, 1253080), (220, 1002464), (320, 689194), (352, 626540), (440, 501232), (640, 344597), (704, 313270), (880, 250616), (1408, 156635), (1760, 125308), (3520, 62654), (7040, 31327)]